Contingencies and Commitments - Asbestos Litigation Activity (Details) (Asbestos Matters)
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3 Months Ended | 12 Months Ended | ||
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Mar. 31, 2015
Claim_Group
LegalMatter
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Dec. 31, 2014
Claim_Group
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Dec. 31, 2013
Claim_Group
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Dec. 31, 2012
Claim_Group
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Asbestos Matters
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Loss Contingency Accrual [Roll Forward] | ||||
Opening Number of Claims | 3,455 | 3,320 | 3,330 | 3,235 |
New Claims | 75 | 325 | 240 | 285 |
Claims Dismissed, Settled and Resolved | 110 | 190 | 250 | 190 |
Closing Number of Claims | 2,540 | 3,455 | 3,320 | 3,330 |